<?php

/**
 * @copyright  For copyright and license information, read the COPYING.txt file.
 * @link       /COPYING.txt
 * @license    Open Software License (OSL 3.0)
 * @package    Mage_SalesRule
 */

/**
 * Rule report resource model with aggregation by created at
 *
 * @package    Mage_SalesRule
 */
class Mage_SalesRule_Model_Resource_Report_Rule_Createdat extends Mage_Reports_Model_Resource_Report_Abstract
{
    /**
     * Resource Report Rule constructor
     */
    protected function _construct()
    {
        $this->_init('salesrule/coupon_aggregated', 'id');
    }

    /**
     * Aggregate Coupons data by order created at
     *
     * @param mixed $from
     * @param mixed $to
     * @return $this
     */
    public function aggregate($from = null, $to = null)
    {
        return $this->_aggregateByOrder('created_at', $from, $to);
    }

    /**
     * Aggregate coupons reports by orders
     *
     * @param string $aggregationField
     * @param mixed $from
     * @param mixed $to
     * @return $this
     * @throws Exception
     */
    protected function _aggregateByOrder($aggregationField, $from, $to)
    {
        $from = $this->_dateToUtc($from);
        $to   = $this->_dateToUtc($to);

        $this->_checkDates($from, $to);

        $table = $this->getMainTable();
        $sourceTable = $this->getTable('sales/order');
        $adapter = $this->_getWriteAdapter();
        $adapter->beginTransaction();

        try {
            if ($from !== null || $to !== null) {
                $subSelect = $this->_getTableDateRangeSelect($sourceTable, 'created_at', 'updated_at', $from, $to);
            } else {
                $subSelect = null;
            }

            $this->_clearTableByDateRange($table, $from, $to, $subSelect);

            // convert dates from UTC to current admin timezone
            $periodExpr = $adapter->getDatePartSql(
                $this->getStoreTZOffsetQuery($sourceTable, $aggregationField, $from, $to),
            );

            $columns = [
                'period'                  => $periodExpr,
                'store_id'                => 'store_id',
                'order_status'            => 'status',
                'coupon_code'             => 'coupon_code',
                'rule_name'               => 'coupon_rule_name',
                'coupon_uses'             => 'COUNT(entity_id)',

                'subtotal_amount'
                    => $adapter->getIfNullSql('SUM((base_subtotal - '
                        . $adapter->getIfNullSql('base_subtotal_canceled', 0) . ') * base_to_global_rate)', 0),

                'discount_amount'
                    => $adapter->getIfNullSql('SUM((ABS(base_discount_amount) - '
                        . $adapter->getIfNullSql('base_discount_canceled', 0) . ') * base_to_global_rate)', 0),

                'total_amount'
                    => $adapter->getIfNullSql('SUM((base_subtotal - '
                        . $adapter->getIfNullSql('base_subtotal_canceled', 0) . ' - '
                        . $adapter->getIfNullSql('ABS(base_discount_amount) - '
                        . $adapter->getIfNullSql('base_discount_canceled', 0), 0) . ')
                        * base_to_global_rate)', 0),

                'subtotal_amount_actual'
                    => $adapter->getIfNullSql('SUM((base_subtotal_invoiced - '
                        . $adapter->getIfNullSql('base_subtotal_refunded', 0) . ') * base_to_global_rate)', 0),

                'discount_amount_actual'
                    => $adapter->getIfNullSql('SUM((ABS(base_discount_invoiced) - '
                        . $adapter->getIfNullSql('base_discount_refunded', 0) . ')
                        * base_to_global_rate)', 0),

                'total_amount_actual'
                    => $adapter->getIfNullSql('SUM((base_subtotal_invoiced - '
                        . $adapter->getIfNullSql('base_subtotal_refunded', 0) . ' - '
                        . $adapter->getIfNullSql('ABS(base_discount_invoiced) - '
                        . $adapter->getIfNullSql('base_discount_refunded', 0), 0)
                        . ') * base_to_global_rate)', 0),
            ];

            $select = $adapter->select();
            $select->from(['source_table' => $sourceTable], $columns)
                 ->where('coupon_code IS NOT NULL');

            if ($subSelect !== null) {
                $select->having($this->_makeConditionFromDateRangeSelect($subSelect, 'period'));
            }

            $select->group([
                $periodExpr,
                'store_id',
                'status',
                'coupon_code',
            ]);

            $select->having('COUNT(entity_id) > 0');
            $select->insertFromSelect($table, array_keys($columns));

            $adapter->query($select->insertFromSelect($table, array_keys($columns)));

            $select->reset();

            $columns = [
                'period'                  => 'period',
                'store_id'                => new Zend_Db_Expr('0'),
                'order_status'            => 'order_status',
                'coupon_code'             => 'coupon_code',
                'rule_name'               => 'rule_name',
                'coupon_uses'             => 'SUM(coupon_uses)',
                'subtotal_amount'         => 'SUM(subtotal_amount)',
                'discount_amount'         => 'SUM(discount_amount)',
                'total_amount'            => 'SUM(total_amount)',
                'subtotal_amount_actual'  => 'SUM(subtotal_amount_actual)',
                'discount_amount_actual'  => 'SUM(discount_amount_actual)',
                'total_amount_actual'     => 'SUM(total_amount_actual)',
            ];

            $select
                ->from($table, $columns)
                ->where('store_id <> 0');

            if ($subSelect !== null) {
                $select->where($this->_makeConditionFromDateRangeSelect($subSelect, 'period'));
            }

            $select->group([
                'period',
                'order_status',
                'coupon_code',
            ]);

            $adapter->query($select->insertFromSelect($table, array_keys($columns)));
            $adapter->commit();
        } catch (Exception $exception) {
            $adapter->rollBack();
            throw $exception;
        }

        return $this;
    }
}
